2184491 has 2 divisors, whose sum is σ = 2184492. Its totient is φ = 2184490.

The previous prime is 2184473. The next prime is 2184499. The reversal of 2184491 is 1944812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2184491 - 2¹⁴ = 2168107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2184499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092245 + 1092246.

It is an arithmetic number, because the mean of its divisors is an integer number (1092246).

2^2184491 is an apocalyptic number.

2184491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184491 is an equidigital number, since it uses as much as digits as its factorization.

2184491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 2184491 is about 1478.0023680631. The cubic root of 2184491 is about 129.7528044162.

The spelling of 2184491 in words is "two million, one hundred eighty-four thousand, four hundred ninety-one".